Spiral guide type coal mining machine spiral drum and coal mining machine

By setting a spiral guide carrier on the spiral drum of the coal mining machine, the problems of low coal loading efficiency and vortex crushing are solved, achieving more efficient coal material transportation and higher coal value.

CN223908206UActive Publication Date: 2026-02-13XIAN COAL MINE MASCH SPECIAL EQUIP CO LTD
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Patent Information

Application Number
CN202521339040.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-27
Publication Date
2026-02-13
Estimated Expiration
2035-06-27

AI Technical Summary

Technical Problem

Existing coal mining machines with spiral drums suffer from low coal loading efficiency under conditions of steep incline mining and complex working faces. The vortex collision of coal and mineral materials leads to crushing, reducing the value of coal.

Method used

A spiral guide carrier is installed on the drum body to guide the flow of coal and mineral materials, reduce eddy tumbling and energy consumption, and improve the orderly loading of materials.

Benefits of technology

It improves the loading efficiency of coal materials, reduces the generation of small coal particles, and enhances the overall value of coal.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223908206U_ABST
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Abstract

The utility model discloses a spiral guide type coal mining machine spiral drum and a coal mining machine, which comprise a drum body, a drum end disc arranged on the outer side of the head of the drum body, a plurality of spiral blades arranged on the periphery of the drum body at equal intervals, and a plurality of spiral guide loading bodies respectively arranged between the corresponding adjacent spiral blades on the periphery of the drum body. The spiral flow guide loading bodies are arranged between the corresponding adjacent spiral blades on the roller body, when the roller body is cut and coal-mined through the coal mining cutting assembly, mined coal mine materials are loaded and conveyed through the spiral blades, and the flow direction angle of the coal mine materials is guided through the spiral flow guide loading bodies, so that the coal mining efficiency is improved. Therefore, the purposes of orderly guiding and loading coal mine materials, reducing vortex rolling of the coal mine materials among the spiral blades, reducing vortex energy consumption when the coal mine materials flow among the spiral blades, reducing excessive smashing of the coal mine materials caused by vortex, reducing generation of small-particle coal mine materials and improving the overall value of the coal mine materials are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to coal winning machine technical field, concretely relates to a spiral flow guide type coal winning machine spiral cylinder and coal winning machine. BACKGROUND

[0002] In recent years along with the increase of coal mining intensity, the structure performance of coal winning machine is day by day perfect, and the power of coal winning machine is increasing, in order to adapt to the efficient mining of present coal mine production, the requirement of coal winning machine cylinder is also increasing, therefore improving the comprehensive performance of coal winning machine spiral cylinder, especially improving the cylinder coal loading rate problem becomes the vital problem.

[0003] The overall structure of the spiral cylinder of the coal winning machine is basically fixed, and the cutting power of the coal winning machine is increased, which causes the coal loading width of the cylinder blade to be continuously reduced, resulting in the coal loading problem of the spiral cylinder being more prominent, especially in the complex working surface conditions such as large-dip angle up and down mining, large-dip angle fluctuation, etc., the spiral cylinder has a serious problem of low coal loading efficiency, and the existing spiral cylinder has a vortex collision problem of coal mine materials between the spiral blades, thereby causing excessive crushing of the coal mine materials, increasing small-particle coal materials or powder coal materials, and reducing the value of coal;

[0004] Therefore, we propose a spiral flow guide type coal winning machine spiral cylinder and coal winning machine. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a spiral flow guide type coal winning machine spiral cylinder and coal winning machine to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a spiral flow guide type coal winning machine spiral cylinder, comprising:

[0007] A cylinder body;

[0008] A cylinder end disc is arranged outside the head of the cylinder body;

[0009] A plurality of spiral blades are arranged at equal intervals outside the periphery of the cylinder body;

[0010] A plurality of coal mining cutting assemblies are arranged at equal intervals outside the cylinder end disc and the spiral blades;

[0011] A plurality of spray cooling assemblies are arranged at positions corresponding to the coal mining cutting assemblies outside the cylinder end disc and the spiral blades;

[0012] The spiral flow guide carriers are arranged between the adjacent spiral blades.

[0013] Preferably, the spiral angle of the spiral flow guide carrier is the same as the spiral angle of the spiral blade.

[0014] Preferably, one end of the spiral flow guide carrier starts from a lower position of the drum end disc, and the other end of the spiral flow guide carrier ends at a tail position of the drum cylinder.

[0015] Preferably, the spiral flow guide carriers between the adjacent spiral blades on the drum cylinder are continuous spiral structures or intermittent spiral structures.

[0016] Preferably, the spiral flow guide carrier is a convex structure or a groove structure.

[0017] Preferably, the cross section of the spiral flow guide carrier is a semicircular arc or a rectangular structure.

[0018] Preferably, the inside of the head of the drum cylinder is provided with a drum connecting flange and a drum end cover.

[0019] The drum cylinder is mounted on the coal mining machine through the drum connecting flange.

[0020] Preferably, the coal mining cutting assembly comprises a cutting tooth seat, a tooth shoe and a cutting tooth.

[0021] The cutting tooth seat is arranged outside the drum end disc and the spiral blade, the tooth shoe is arranged on the cutting tooth seat, and the cutting tooth is arranged on the tooth shoe.

[0022] Preferably, the spray cooling assembly comprises a spray nozzle.

[0023] The spray nozzle is arranged on the drum end disc and the spiral blade on the side outside the cutting tooth seat, the drum cylinder, the drum end disc and the spiral blade are provided with a cooling water flow channel, the cooling water flow channel and the spray nozzle are communicated, and cooling water flows in the cooling water flow channel.

[0024] A coal mining machine comprises a spiral flow guide type coal mining machine spiral drum.

[0025] Compared with the prior art, the coal mining machine has the advantages that:

[0026] This invention features a spiral guide carrier between adjacent spiral blades on the drum body. When the drum body cuts coal through the coal cutting component, the mined coal material is transported through the spiral blades. The spiral guide carrier guides the flow angle of the coal material, thereby achieving orderly guidance and loading of the coal material, reducing eddy tumbling between the spiral blades, reducing eddy energy consumption during flow, reducing excessive crushing of the coal material due to eddies, reducing the generation of small coal particles, and improving the overall value of the coal material. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0028] Figure 2 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0029] Figure 3 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0030] Figure 4 This is a schematic diagram of the main structure of this utility model;

[0031] Figure 5 This is a schematic diagram of the front sectional view of the present invention.

[0032] In the figure: 1. Drum body; 2. Drum end plate; 3. Spiral blade; 4. Coal cutting assembly; 401. Cutting tooth seat; 402. Tooth shoe; 403. Cutting tooth; 5. Spray cooling assembly; 501. Spray nozzle; 6. Spiral guide carrier; 7. Drum connecting flange; 8. Drum end cover. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Example 1, such as Figures 1-5 As shown, the spiral guide type coal mining machine spiral drum provided by this utility model includes:

[0035] The drum body 1 has a drum connecting flange 7 and a drum end cover 8 on the inner side of its head; the drum body 1 is installed on the coal mining machine through the drum connecting flange 7.

[0036] A drum end disc 2 is arranged outside the head of the drum barrel 1;

[0037] A plurality of spiral blades 3 are arranged at equal intervals outside the drum barrel 1;

[0038] A plurality of coal mining cutting assemblies 4 are arranged at equal intervals outside the drum end disc 2 and the spiral blades 3, and each of the coal mining cutting assemblies 4 comprises a cutting tooth seat 401, a tooth shoe 402 and a cutting tooth 403.

[0039] A plurality of spray cooling assemblies 5 are arranged at positions corresponding to the coal mining cutting assemblies 4 outside the drum end disc 2 and the spiral blades 3, and each of the spray cooling assemblies 5 comprises a spray nozzle 501.

[0040] A plurality of spiral flow guide loading bodies 6 are arranged between adjacent spiral blades 3 outside the drum barrel 1, and the spiral angle and the lift angle of the spiral flow guide loading bodies 6 are the same as those of the spiral blades 3.

[0041] The spiral flow guide loading body 6 is in a groove structure, and the cross section of the spiral flow guide loading body 6 is in a rectangular structure.

[0042] Embodiment 2:

[0043] The spiral flow guide type coal mining machine spiral drum provided by the utility model comprises:

[0044] A drum barrel 1 is arranged inside the head of the drum barrel 1, and a drum connecting flange 7 and a drum end cover 8 are arranged inside the head of the drum barrel 1.

[0045] A drum end disc 2 is arranged outside the head of the drum barrel 1;

[0046] A plurality of spiral blades 3 are arranged at equal intervals outside the drum barrel 1;

[0047] The coal mining cutting assembly 4 is provided with a plurality of coal mining cutting assemblies 4, and the plurality of coal mining cutting assemblies 4 are arranged at equal intervals outside the drum end disc 2 and the spiral blade 3, and the coal mining cutting assembly 4 comprises a cutting tooth seat 401, a tooth shoe 402 and a cutting tooth 403; the cutting tooth seat 401 is arranged outside the drum end disc 2 and the spiral blade 3, the tooth shoe 402 is arranged on the cutting tooth seat 401, and the cutting tooth 403 is arranged on the tooth shoe 402;

[0048] The spray cooling assembly 5 is provided with a plurality of spray cooling assemblies 5, and the plurality of spray cooling assemblies 5 are arranged at positions corresponding to the coal mining cutting assembly 4 outside the drum end disc 2 and the spiral blade 3, and the spray cooling assembly 5 comprises a spray nozzle 501; the spray nozzle 501 is arranged on one side outside the drum end disc 2 and the spiral blade 3 corresponding to the cutting tooth seat 401, and a cooling water flow channel is formed on the drum cylinder 1, the drum end disc 2 and the spiral blade 3, the cooling water flow channel is communicated with the spray nozzle 501, and cooling water flows in the cooling water flow channel;

[0049] The spiral flow guide loading body 6 is provided with a plurality of spiral flow guide loading bodies 6, and the plurality of spiral flow guide loading bodies 6 are arranged between adjacent spiral blades 3 on the outer periphery of the drum cylinder 1 respectively, the spiral angle and the angle of lift of the spiral flow guide loading body 6 are the same as those of the spiral blade 3, one end of the spiral flow guide loading body 6 starts from a lower position of the drum end disc 2, the other end of the spiral flow guide loading body 6 ends at a tail position of the drum cylinder 1, and the spiral flow guide loading body 6 between adjacent spiral blades 3 on the drum cylinder 1 is of an intermittent spiral structure;

[0050] The spiral flow guide loading body 6 is a convex structure, and the cross section of the spiral flow guide loading body 6 is a semicircular arc.

[0051] The utility model discloses a spiral flow guide loading body 6 between the adjacent spiral blade 3 on the drum cylinder 1, when the drum cylinder 1 cuts coal mining through the coal mining cutting assembly 4, the coal mine material is conveyed through the coal loading between the spiral blade 3, and the flow direction angle of the coal mine material is guided through the spiral flow guide loading body 6, so that the coal mine material is orderly guided and loaded, the vortex rolling of the coal mine material between the spiral blade 3 is reduced, the vortex energy consumption of the coal mine material flowing between the spiral blade 3 is reduced, the excessive crushing of the coal mine material caused by the vortex is reduced, the small particle coal mine material is reduced, and the overall value of the coal mine material is improved.

[0052] The coal mining machine provided by the embodiment can be applied to various types of coal mining machines and spiral rollers, does not need to change the structure of the spiral roller, has the coal mining machine with the spiral flow guide type coal mining machine spiral roller in the utility model, can play a certain flow guiding and guiding role on the coal mine materials, reduces the vortex tumbling of the coal mine materials between the spiral blades, reduces the excessive crushing of the coal mine materials, improves the lumpiness rate of the coal mine materials, and can be applied to spiral rollers for mining all kinds of organic, inorganic, metal and rare earth mines.

[0053] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A screw conveyor of a screw conveyor coal mining machine, characterized by, It includes: A drum barrel (1); A drum end disc (2) arranged outside the head of the drum barrel (1); A plurality of spiral vanes (3) arranged equidistantly on the outer periphery of the drum barrel (1); A plurality of coal mining cutting assemblies (4) arranged equidistantly outside the drum end disc (2) and the spiral vane (3); A plurality of spray cooling assemblies (5) arranged at positions corresponding to the coal mining cutting assembly (4) outside the drum end disc (2) and the spiral vane (3); A plurality of spiral flow guide loading bodies (6) arranged respectively between adjacent spiral vanes (3) on the outer periphery of the drum barrel (1).

2. A helical auger according to claim 1, wherein: The spiral angle and the lift angle of the spiral flow guide loading body (6) and the spiral vane (3) are the same.

3. A helical auger according to claim 1, wherein: One end of the spiral flow guide loading body (6) starts at a lower position of the drum end disc (2), and the other end of the spiral flow guide loading body (6) ends at a tail position of the drum barrel (1).

4. A helical auger according to claim 1, wherein: The spiral flow guide loading body (6) between adjacent spiral vanes (3) on the drum barrel (1) is a continuous spiral structure or an intermittent spiral structure.

5. A helical auger according to claim 1, wherein: The spiral flow guide loading body (6) is a convex structure or a groove structure.

6. A helical auger according to claim 1, wherein: The cross section of the spiral flow guide loading body (6) is a semicircular arc or a rectangular structure.

7. A helical auger according to claim 1, wherein: The head inner side of the drum barrel (1) is provided with a drum connecting flange (7) and a drum end cover (8); The drum barrel (1) is installed on a coal mining machine through the drum connecting flange (7).

8. A helical auger according to claim 1, wherein: The coal mining cutting assembly (4) includes a cutting tooth seat (401), a tooth shoe (402), and a cutting pick (403); The cutting tooth seat (401) is arranged outside the drum end disc (2) and the spiral vane (3), the tooth shoe (402) is arranged on the cutting tooth seat (401), and the cutting pick (403) is arranged on the tooth shoe (402).

9. A helical auger according to claim 8, wherein: The spray cooling assembly (5) includes a spray nozzle (501); The spray nozzle (501) is arranged on the outer side of the drum end disc (2) and the spiral vane (3) corresponding to the cutting tooth seat (401), a cooling water flow channel is formed in the drum barrel (1), the drum end disc (2), and the spiral vane (3), the cooling water flow channel and the spray nozzle (501) are in communication, and cooling water flows in the cooling water flow channel.

10. A coal mining machine characterized by, It includes the spiral flow guide type coal mining machine spiral drum as claimed in any one of claims 1-9.